81540676

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61961}}^1$

素因数の和:62019

約数の個数: 24

約数和(自身を含む): 166553856

約数和(自身を除く): 85013180

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 61961, 123922, 247844, 433727, 867454, 1734908, 2912167, 5824334, 11648668, 20385169, 40770338, 81540676]

約数ペア:

[(1, 81540676), (2, 40770338), (4, 20385169), (7, 11648668), (14, 5824334), (28, 2912167), (47, 1734908), (94, 867454), (188, 433727), (329, 247844), (658, 123922), (1316, 61961)]